./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/Benghazi.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d982a7-14fd-46d8-87fc-09e804212ae5/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d982a7-14fd-46d8-87fc-09e804212ae5/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d982a7-14fd-46d8-87fc-09e804212ae5/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d982a7-14fd-46d8-87fc-09e804212ae5/bin/uautomizer-DrprNOufMa/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Benghazi.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d982a7-14fd-46d8-87fc-09e804212ae5/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d982a7-14fd-46d8-87fc-09e804212ae5/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9edf84ee73e15e033440f38035e679f46457b07702832d589a58530a086e57e5 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 01:13:11,828 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 01:13:11,830 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 01:13:11,852 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 01:13:11,852 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 01:13:11,853 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 01:13:11,854 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 01:13:11,856 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 01:13:11,857 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 01:13:11,858 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 01:13:11,859 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 01:13:11,860 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 01:13:11,860 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 01:13:11,861 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 01:13:11,862 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 01:13:11,864 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 01:13:11,864 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 01:13:11,865 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 01:13:11,867 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 01:13:11,868 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 01:13:11,870 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 01:13:11,871 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 01:13:11,872 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 01:13:11,873 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 01:13:11,875 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 01:13:11,876 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 01:13:11,876 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 01:13:11,877 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 01:13:11,877 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 01:13:11,878 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 01:13:11,878 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 01:13:11,879 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 01:13:11,879 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 01:13:11,880 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 01:13:11,881 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 01:13:11,881 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 01:13:11,881 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 01:13:11,882 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 01:13:11,882 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 01:13:11,882 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 01:13:11,883 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 01:13:11,884 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d982a7-14fd-46d8-87fc-09e804212ae5/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-12-07 01:13:11,915 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 01:13:11,915 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 01:13:11,915 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 01:13:11,915 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 01:13:11,916 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 01:13:11,916 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 01:13:11,916 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 01:13:11,917 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-07 01:13:11,917 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-07 01:13:11,917 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-07 01:13:11,917 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-07 01:13:11,917 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-07 01:13:11,917 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-07 01:13:11,917 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 01:13:11,917 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-07 01:13:11,918 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-07 01:13:11,918 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 01:13:11,918 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-07 01:13:11,918 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-07 01:13:11,918 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-07 01:13:11,918 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 01:13:11,918 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-07 01:13:11,918 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 01:13:11,919 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-07 01:13:11,919 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 01:13:11,919 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 01:13:11,919 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 01:13:11,919 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-07 01:13:11,919 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-07 01:13:11,920 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-07 01:13:11,920 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d982a7-14fd-46d8-87fc-09e804212ae5/bin/uautomizer-DrprNOufMa/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d982a7-14fd-46d8-87fc-09e804212ae5/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9edf84ee73e15e033440f38035e679f46457b07702832d589a58530a086e57e5 [2021-12-07 01:13:12,100 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 01:13:12,115 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 01:13:12,117 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 01:13:12,118 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 01:13:12,118 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 01:13:12,119 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d982a7-14fd-46d8-87fc-09e804212ae5/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/termination-crafted/Benghazi.c [2021-12-07 01:13:12,164 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d982a7-14fd-46d8-87fc-09e804212ae5/bin/uautomizer-DrprNOufMa/data/45e3f6986/77c224894e5a4c35914dcc0b5169c122/FLAGc180349bf [2021-12-07 01:13:12,513 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 01:13:12,513 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d982a7-14fd-46d8-87fc-09e804212ae5/sv-benchmarks/c/termination-crafted/Benghazi.c [2021-12-07 01:13:12,518 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d982a7-14fd-46d8-87fc-09e804212ae5/bin/uautomizer-DrprNOufMa/data/45e3f6986/77c224894e5a4c35914dcc0b5169c122/FLAGc180349bf [2021-12-07 01:13:12,527 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d982a7-14fd-46d8-87fc-09e804212ae5/bin/uautomizer-DrprNOufMa/data/45e3f6986/77c224894e5a4c35914dcc0b5169c122 [2021-12-07 01:13:12,529 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 01:13:12,530 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 01:13:12,531 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 01:13:12,531 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 01:13:12,534 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 01:13:12,534 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:13:12" (1/1) ... [2021-12-07 01:13:12,535 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47de0d41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:13:12, skipping insertion in model container [2021-12-07 01:13:12,535 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:13:12" (1/1) ... [2021-12-07 01:13:12,540 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 01:13:12,549 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 01:13:12,657 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 01:13:12,659 INFO L203 MainTranslator]: Completed pre-run [2021-12-07 01:13:12,668 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 01:13:12,677 INFO L208 MainTranslator]: Completed translation [2021-12-07 01:13:12,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:13:12 WrapperNode [2021-12-07 01:13:12,678 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 01:13:12,679 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-07 01:13:12,679 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-07 01:13:12,679 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-07 01:13:12,684 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:13:12" (1/1) ... [2021-12-07 01:13:12,687 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:13:12" (1/1) ... [2021-12-07 01:13:12,699 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 20 [2021-12-07 01:13:12,700 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-07 01:13:12,700 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-07 01:13:12,700 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-07 01:13:12,700 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-07 01:13:12,706 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:13:12" (1/1) ... [2021-12-07 01:13:12,706 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:13:12" (1/1) ... [2021-12-07 01:13:12,707 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:13:12" (1/1) ... [2021-12-07 01:13:12,707 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:13:12" (1/1) ... [2021-12-07 01:13:12,708 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:13:12" (1/1) ... [2021-12-07 01:13:12,711 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:13:12" (1/1) ... [2021-12-07 01:13:12,711 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:13:12" (1/1) ... [2021-12-07 01:13:12,712 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-07 01:13:12,713 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-07 01:13:12,713 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-07 01:13:12,713 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-07 01:13:12,714 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:13:12" (1/1) ... [2021-12-07 01:13:12,719 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:13:12,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d982a7-14fd-46d8-87fc-09e804212ae5/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:13:12,736 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d982a7-14fd-46d8-87fc-09e804212ae5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:13:12,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d982a7-14fd-46d8-87fc-09e804212ae5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-07 01:13:12,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-07 01:13:12,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-07 01:13:12,810 INFO L236 CfgBuilder]: Building ICFG [2021-12-07 01:13:12,811 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-07 01:13:12,851 INFO L277 CfgBuilder]: Performing block encoding [2021-12-07 01:13:12,856 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-07 01:13:12,856 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-07 01:13:12,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:13:12 BoogieIcfgContainer [2021-12-07 01:13:12,858 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-07 01:13:12,858 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-07 01:13:12,858 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-07 01:13:12,861 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-07 01:13:12,862 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-07 01:13:12,862 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 01:13:12" (1/3) ... [2021-12-07 01:13:12,862 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@19bae5c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 01:13:12, skipping insertion in model container [2021-12-07 01:13:12,863 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-07 01:13:12,863 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:13:12" (2/3) ... [2021-12-07 01:13:12,863 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@19bae5c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 01:13:12, skipping insertion in model container [2021-12-07 01:13:12,863 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-07 01:13:12,863 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:13:12" (3/3) ... [2021-12-07 01:13:12,864 INFO L388 chiAutomizerObserver]: Analyzing ICFG Benghazi.c [2021-12-07 01:13:12,898 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-07 01:13:12,898 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-07 01:13:12,898 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-07 01:13:12,898 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-07 01:13:12,898 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-07 01:13:12,898 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-07 01:13:12,898 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-07 01:13:12,898 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-07 01:13:12,908 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:13:12,920 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-12-07 01:13:12,921 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-07 01:13:12,921 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-07 01:13:12,924 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-07 01:13:12,925 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-12-07 01:13:12,925 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-07 01:13:12,925 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:13:12,925 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-12-07 01:13:12,926 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-07 01:13:12,926 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-07 01:13:12,926 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-07 01:13:12,926 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-12-07 01:13:12,930 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~x~0#1, main_~d1~0#1, main_~d2~0#1, main_~d1old~0#1;havoc main_~x~0#1;havoc main_~d1~0#1;havoc main_~d2~0#1;havoc main_~d1old~0#1;main_~d1~0#1 := 73;main_~d2~0#1 := 74;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 8#L22-2true [2021-12-07 01:13:12,931 INFO L793 eck$LassoCheckResult]: Loop: 8#L22-2true assume !!(main_~x~0#1 >= 0);main_~x~0#1 := main_~x~0#1 - main_~d1~0#1;main_~d1old~0#1 := main_~d1~0#1;main_~d1~0#1 := 1 + main_~d2~0#1;main_~d2~0#1 := 1 + main_~d1old~0#1; 8#L22-2true [2021-12-07 01:13:12,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:13:12,935 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-12-07 01:13:12,941 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:13:12,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107974390] [2021-12-07 01:13:12,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:13:12,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:13:13,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:13:13,001 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 01:13:13,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:13:13,014 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 01:13:13,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:13:13,016 INFO L85 PathProgramCache]: Analyzing trace with hash 42, now seen corresponding path program 1 times [2021-12-07 01:13:13,016 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:13:13,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397753092] [2021-12-07 01:13:13,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:13:13,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:13:13,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:13:13,026 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 01:13:13,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:13:13,031 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 01:13:13,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:13:13,032 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2021-12-07 01:13:13,032 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:13:13,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466804214] [2021-12-07 01:13:13,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:13:13,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:13:13,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:13:13,040 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 01:13:13,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:13:13,047 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 01:13:13,113 INFO L210 LassoAnalysis]: Preferences: [2021-12-07 01:13:13,113 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-07 01:13:13,113 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-07 01:13:13,113 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-07 01:13:13,113 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-07 01:13:13,114 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:13:13,114 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-07 01:13:13,114 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-07 01:13:13,114 INFO L133 ssoRankerPreferences]: Filename of dumped script: Benghazi.c_Iteration1_Loop [2021-12-07 01:13:13,114 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-07 01:13:13,114 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-07 01:13:13,128 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:13:13,134 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:13:13,137 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:13:13,213 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-07 01:13:13,213 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-07 01:13:13,215 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:13:13,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d982a7-14fd-46d8-87fc-09e804212ae5/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:13:13,216 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d982a7-14fd-46d8-87fc-09e804212ae5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:13:13,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d982a7-14fd-46d8-87fc-09e804212ae5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-07 01:13:13,217 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-07 01:13:13,217 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-07 01:13:13,235 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-07 01:13:13,235 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-07 01:13:13,255 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d982a7-14fd-46d8-87fc-09e804212ae5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-12-07 01:13:13,259 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:13:13,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d982a7-14fd-46d8-87fc-09e804212ae5/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:13:13,260 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d982a7-14fd-46d8-87fc-09e804212ae5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:13:13,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d982a7-14fd-46d8-87fc-09e804212ae5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-07 01:13:13,261 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-07 01:13:13,261 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-07 01:13:13,279 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-07 01:13:13,279 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-07 01:13:13,302 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d982a7-14fd-46d8-87fc-09e804212ae5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-12-07 01:13:13,302 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:13:13,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d982a7-14fd-46d8-87fc-09e804212ae5/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:13:13,303 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d982a7-14fd-46d8-87fc-09e804212ae5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:13:13,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d982a7-14fd-46d8-87fc-09e804212ae5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-07 01:13:13,304 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-07 01:13:13,304 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-07 01:13:13,336 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d982a7-14fd-46d8-87fc-09e804212ae5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-12-07 01:13:13,336 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:13:13,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d982a7-14fd-46d8-87fc-09e804212ae5/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:13:13,337 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d982a7-14fd-46d8-87fc-09e804212ae5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:13:13,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d982a7-14fd-46d8-87fc-09e804212ae5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-07 01:13:13,338 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-07 01:13:13,338 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-07 01:13:16,826 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-07 01:13:16,829 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d982a7-14fd-46d8-87fc-09e804212ae5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-12-07 01:13:16,830 INFO L210 LassoAnalysis]: Preferences: [2021-12-07 01:13:16,830 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-07 01:13:16,830 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-07 01:13:16,830 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-07 01:13:16,830 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-07 01:13:16,830 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:13:16,830 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-07 01:13:16,830 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-07 01:13:16,830 INFO L133 ssoRankerPreferences]: Filename of dumped script: Benghazi.c_Iteration1_Loop [2021-12-07 01:13:16,830 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-07 01:13:16,830 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-07 01:13:16,832 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:13:16,834 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:13:16,836 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:13:16,882 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-07 01:13:16,885 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-07 01:13:16,886 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:13:16,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d982a7-14fd-46d8-87fc-09e804212ae5/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:13:16,887 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d982a7-14fd-46d8-87fc-09e804212ae5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:13:16,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d982a7-14fd-46d8-87fc-09e804212ae5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-07 01:13:16,889 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:13:16,896 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:13:16,896 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:13:16,897 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:13:16,897 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:13:16,901 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 01:13:16,901 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 01:13:16,905 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:13:16,924 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d982a7-14fd-46d8-87fc-09e804212ae5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-12-07 01:13:16,925 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:13:16,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d982a7-14fd-46d8-87fc-09e804212ae5/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:13:16,925 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d982a7-14fd-46d8-87fc-09e804212ae5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:13:16,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d982a7-14fd-46d8-87fc-09e804212ae5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-07 01:13:16,927 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:13:16,934 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:13:16,934 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:13:16,934 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:13:16,934 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:13:16,937 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 01:13:16,937 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 01:13:16,940 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:13:16,959 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d982a7-14fd-46d8-87fc-09e804212ae5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-12-07 01:13:16,959 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:13:16,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d982a7-14fd-46d8-87fc-09e804212ae5/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:13:16,960 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d982a7-14fd-46d8-87fc-09e804212ae5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:13:16,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d982a7-14fd-46d8-87fc-09e804212ae5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-12-07 01:13:16,961 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:13:16,969 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:13:16,969 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 01:13:16,970 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:13:16,970 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:13:16,970 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:13:16,971 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 01:13:16,972 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 01:13:16,975 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:13:16,996 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d982a7-14fd-46d8-87fc-09e804212ae5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-12-07 01:13:16,996 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-12-07 01:13:16,996 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:13:16,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d982a7-14fd-46d8-87fc-09e804212ae5/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:13:16,997 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d982a7-14fd-46d8-87fc-09e804212ae5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:13:17,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d982a7-14fd-46d8-87fc-09e804212ae5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-12-07 01:13:17,004 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:13:17,010 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:13:17,011 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:13:17,011 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:13:17,011 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-07 01:13:17,014 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-12-07 01:13:17,014 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-12-07 01:13:17,018 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:13:17,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d982a7-14fd-46d8-87fc-09e804212ae5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-12-07 01:13:17,037 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:13:17,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d982a7-14fd-46d8-87fc-09e804212ae5/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:13:17,037 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d982a7-14fd-46d8-87fc-09e804212ae5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:13:17,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d982a7-14fd-46d8-87fc-09e804212ae5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-12-07 01:13:17,038 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:13:17,045 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:13:17,046 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:13:17,046 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:13:17,046 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-07 01:13:17,049 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-12-07 01:13:17,049 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-12-07 01:13:17,052 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:13:17,070 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d982a7-14fd-46d8-87fc-09e804212ae5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-12-07 01:13:17,071 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:13:17,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d982a7-14fd-46d8-87fc-09e804212ae5/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:13:17,072 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d982a7-14fd-46d8-87fc-09e804212ae5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:13:17,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d982a7-14fd-46d8-87fc-09e804212ae5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-12-07 01:13:17,073 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:13:17,083 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:13:17,083 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 01:13:17,084 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:13:17,084 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:13:17,084 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-12-07 01:13:17,086 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-12-07 01:13:17,086 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 01:13:17,091 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:13:17,109 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d982a7-14fd-46d8-87fc-09e804212ae5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2021-12-07 01:13:17,110 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-12-07 01:13:17,110 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:13:17,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d982a7-14fd-46d8-87fc-09e804212ae5/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:13:17,111 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d982a7-14fd-46d8-87fc-09e804212ae5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:13:17,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d982a7-14fd-46d8-87fc-09e804212ae5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-12-07 01:13:17,112 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:13:17,119 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:13:17,119 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:13:17,119 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:13:17,119 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-07 01:13:17,125 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-12-07 01:13:17,125 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-12-07 01:13:17,130 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:13:17,149 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d982a7-14fd-46d8-87fc-09e804212ae5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2021-12-07 01:13:17,149 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:13:17,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d982a7-14fd-46d8-87fc-09e804212ae5/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:13:17,150 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d982a7-14fd-46d8-87fc-09e804212ae5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:13:17,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d982a7-14fd-46d8-87fc-09e804212ae5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-12-07 01:13:17,151 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:13:17,158 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:13:17,158 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:13:17,158 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:13:17,158 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-07 01:13:17,161 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-12-07 01:13:17,161 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-12-07 01:13:17,165 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:13:17,184 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d982a7-14fd-46d8-87fc-09e804212ae5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-12-07 01:13:17,185 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:13:17,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d982a7-14fd-46d8-87fc-09e804212ae5/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:13:17,185 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d982a7-14fd-46d8-87fc-09e804212ae5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:13:17,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d982a7-14fd-46d8-87fc-09e804212ae5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-12-07 01:13:17,186 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:13:17,195 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:13:17,196 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 01:13:17,196 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:13:17,196 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:13:17,196 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-12-07 01:13:17,198 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-07 01:13:17,198 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 01:13:17,205 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-07 01:13:17,211 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2021-12-07 01:13:17,212 INFO L444 ModelExtractionUtils]: 8 out of 16 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-12-07 01:13:17,213 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:13:17,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d982a7-14fd-46d8-87fc-09e804212ae5/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:13:17,214 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d982a7-14fd-46d8-87fc-09e804212ae5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:13:17,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d982a7-14fd-46d8-87fc-09e804212ae5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-12-07 01:13:17,220 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-07 01:13:17,220 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-07 01:13:17,221 INFO L513 LassoAnalysis]: Proved termination. [2021-12-07 01:13:17,221 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function 3-nested ranking function: f0 = -1*ULTIMATE.start_main_~d2~0#1 - 1*ULTIMATE.start_main_~d1~0#1 f1 = 2*ULTIMATE.start_main_~x~0#1 - 1*ULTIMATE.start_main_~d1~0#1 + 1 f2 = 1*ULTIMATE.start_main_~x~0#1 + 1 Supporting invariants [] [2021-12-07 01:13:17,248 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d982a7-14fd-46d8-87fc-09e804212ae5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-12-07 01:13:17,250 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-07 01:13:17,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:13:17,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:13:17,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-07 01:13:17,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:13:17,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:13:17,296 WARN L261 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-07 01:13:17,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:13:17,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:13:17,327 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2021-12-07 01:13:17,329 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:13:17,358 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 16 states and 19 transitions. Complement of second has 5 states. [2021-12-07 01:13:17,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-07 01:13:17,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:13:17,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2021-12-07 01:13:17,364 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 2 letters. Loop has 1 letters. [2021-12-07 01:13:17,364 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 01:13:17,364 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 3 letters. Loop has 1 letters. [2021-12-07 01:13:17,365 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 01:13:17,365 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 2 letters. Loop has 2 letters. [2021-12-07 01:13:17,365 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 01:13:17,365 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 19 transitions. [2021-12-07 01:13:17,367 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-07 01:13:17,368 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 0 states and 0 transitions. [2021-12-07 01:13:17,369 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-07 01:13:17,369 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-07 01:13:17,369 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-07 01:13:17,369 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:13:17,369 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-07 01:13:17,370 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-07 01:13:17,370 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-07 01:13:17,370 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-07 01:13:17,370 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-07 01:13:17,370 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-07 01:13:17,370 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-07 01:13:17,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 01:13:17 BoogieIcfgContainer [2021-12-07 01:13:17,374 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-07 01:13:17,375 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-07 01:13:17,375 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-07 01:13:17,375 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-07 01:13:17,375 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:13:12" (3/4) ... [2021-12-07 01:13:17,377 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-07 01:13:17,377 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-07 01:13:17,378 INFO L158 Benchmark]: Toolchain (without parser) took 4847.83ms. Allocated memory is still 107.0MB. Free memory was 62.8MB in the beginning and 63.0MB in the end (delta: -151.2kB). Peak memory consumption was 51.7kB. Max. memory is 16.1GB. [2021-12-07 01:13:17,378 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 107.0MB. Free memory is still 78.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 01:13:17,379 INFO L158 Benchmark]: CACSL2BoogieTranslator took 146.83ms. Allocated memory is still 107.0MB. Free memory was 62.6MB in the beginning and 84.7MB in the end (delta: -22.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-07 01:13:17,379 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.14ms. Allocated memory is still 107.0MB. Free memory was 84.7MB in the beginning and 83.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 01:13:17,379 INFO L158 Benchmark]: Boogie Preprocessor took 11.78ms. Allocated memory is still 107.0MB. Free memory was 83.5MB in the beginning and 82.7MB in the end (delta: 763.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-07 01:13:17,380 INFO L158 Benchmark]: RCFGBuilder took 145.12ms. Allocated memory is still 107.0MB. Free memory was 82.3MB in the beginning and 74.3MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-07 01:13:17,380 INFO L158 Benchmark]: BuchiAutomizer took 4516.07ms. Allocated memory is still 107.0MB. Free memory was 74.3MB in the beginning and 63.5MB in the end (delta: 10.8MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. [2021-12-07 01:13:17,381 INFO L158 Benchmark]: Witness Printer took 2.64ms. Allocated memory is still 107.0MB. Free memory was 63.5MB in the beginning and 63.0MB in the end (delta: 534.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-07 01:13:17,383 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 107.0MB. Free memory is still 78.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 146.83ms. Allocated memory is still 107.0MB. Free memory was 62.6MB in the beginning and 84.7MB in the end (delta: -22.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.14ms. Allocated memory is still 107.0MB. Free memory was 84.7MB in the beginning and 83.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 11.78ms. Allocated memory is still 107.0MB. Free memory was 83.5MB in the beginning and 82.7MB in the end (delta: 763.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 145.12ms. Allocated memory is still 107.0MB. Free memory was 82.3MB in the beginning and 74.3MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 4516.07ms. Allocated memory is still 107.0MB. Free memory was 74.3MB in the beginning and 63.5MB in the end (delta: 10.8MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. * Witness Printer took 2.64ms. Allocated memory is still 107.0MB. Free memory was 63.5MB in the beginning and 63.0MB in the end (delta: 534.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has 3-nested ranking function (if -1 * d2 + -1 * d1 > 0 then 2 else (if 2 * x + -1 * d1 + 1 > 0 then 1 else 0)), (if -1 * d2 + -1 * d1 > 0 then -1 * d2 + -1 * d1 else (if 2 * x + -1 * d1 + 1 > 0 then 2 * x + -1 * d1 + 1 else x + 1)) and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 4.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 5 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital23 mio100 ax152 hnf100 lsp65 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq195 hnf91 smp100 dnf100 smp100 tf104 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 20ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 4 MotzkinApplications: 12 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 3.5s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-12-07 01:13:17,408 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d982a7-14fd-46d8-87fc-09e804212ae5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2021-12-07 01:13:17,646 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86d982a7-14fd-46d8-87fc-09e804212ae5/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE